body{font-size:10px}
@media screen and (min-width:321px) and (max-width:375px){body{font-size:11px}}
@media screen and (min-width:376px) and (max-width:414px){body{font-size:12px}}
@media screen and (min-width:415px) and (max-width:639px){body{font-size:15px}}
@media screen and (min-width:640px) and (max-width:719px){body{font-size:20px}}
@media screen and (min-width:720px) and (max-width:749px){body{font-size:22.5px}}
@media screen and (min-width:750px) and (max-width:799px){body{font-size:23.5px}}
@media screen and (min-width:800px){body{font-size:25px}}
*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	border: 0;
	-ms-box-sizing: border-box;
}
.clearfix:after{
	display: table;
	content: "";
	clear: both;
}
.fl{
	float: left;
}
html,body{
	height: 100%;
}
.top{
	height: 1rem;
	min-height: 1.0679611650485437rem;
	background: lightcyan;
}
.bot{
	position: fixed;
	left: 0;
	right: 0;
	width: 100%;
	height: 1rem;
	background: lightcyan;
}
.cnt{
	background: lightorange;
	height:13.932038834951456rem;
}
.cnt .sub_nav{
	width: 1.8446601941747571rem;
	height: 100%;
	background: #eee;
	overflow-y: auto;
}
.cnt .cat_list{
	overflow-y: auto;
	font-size: 12px;
}
.sub_nav>div{
	height: 40px;
	line-height: 40px;
	text-align: center;
}
.cnt .cat_list{
	width: 8.131067961165048rem;
	height: 100%;
	background: white;
}
.div_active{
	background: white;
	color: black;
	font-size: 12px;
}
.smallcatList{
	margin: 20 auto;
}
.cat{
	margin-left:8px;
	margin-buttom:8px;
}
